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2 years ago

Which are solutions of the equation (x + 5)(x – 3) = 0? Check all that apply. x = –15

Mathematics

2 answers:

Natali [406]2 years ago

4 0

Answer:

x= -5 and x= 3

Step-by-step explanation:

You have the factored equation, all you need is to switch the signs on the numbers and that is the answer.

Likurg_2 [28]2 years ago

3 0

Answer:

x = -5 and x = 3

Step-by-step explanation:

It's a quadratic so it has two answers

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pav-90 [236]

Answer:

D 46x²+ 67x -16

Step-by-step explanation:

adding like terms

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3 years ago

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2 years ago

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3 years ago

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Use PEMDAS to simplify the expression.<br> 7 715-221<br> 2<br> + 10 - (5 x 23)

Bogdan [553]

Answer:

5398

Step-by-step explanation:

7715-2212+10-(5x23)

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2 years ago

The area of a circle is 616cm find the radius

Leokris [45]

<h3>Given :-</h3>

Area of Circle = 616 cm²

Radius of a circle = ?

<h3>Solution :-</h3>

☼︎ <u>Radius of the Circle</u>;

<h3>Using Formula:</h3>

$\\ \red\bigstar {\underline{\boxed{\color{springgreen}{\textsf{ \textbf{ \: Area \: of \: circle= \: \: π \: r \: ² \: }}}}}} \\\\$

<u>Putting values in the formula;</u>

$\\ \sf \implies \: Area \: = \: \pi \: r \: ^{2} \\$

$\\ \sf \implies \: 616 \: = \:\frac{22}{7} \times \: r \: ^{2} \\$

$\\ \sf \implies \: 616 \: \times \: \frac{7}{22} \: = \: \: r \: ^{2} \\$

$\\ \sf \implies \: \: \frac{ \: \: 4312 \: \: }{22} \: = \: \: r \: ^{2} \\$

$\\ \sf \implies \: \: \cancel{\frac{ \: \: 4312 \: \: }{22} }\: = \: \: r \: ^{2} \\$

$\\ \sf \implies \: \: \: 196 \: \: = \: \: r \: ^{2} \\$

$\\ \sf \implies \: \:r \: ^{2} = \: 196 \: \: \: \: \\$

$\\ \sf \implies \: \:r \: = \sqrt{ \: 196 \: } \\$

$\\ \bf \implies \: \:Radius \: = 14 \: cm \\$

henceforth, the Radius of a circle is 14 cm ...!!

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1 year ago

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